package com.icoolkj.mall.user.config;

import com.icoolkj.mall.user.loadbalancer.MyCustomLoadBalancer;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.loadbalancer.core.RandomLoadBalancer;
import org.springframework.cloud.loadbalancer.core.ReactorLoadBalancer;
import org.springframework.cloud.loadbalancer.core.ServiceInstanceListSupplier;
import org.springframework.cloud.loadbalancer.support.LoadBalancerClientFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.core.env.Environment;

/**
 * @author icoolkj
 * @version 1.0
 * @description
 * @createDate 2025/01/21 13:52
 */
// 注意，不需要加 @Configuration
public class LoadBalancerConfig {

    @Bean
    @ConditionalOnMissingBean
    public ReactorLoadBalancer<ServiceInstance> reactorServiceInstanceLoadBalancer(Environment environment,
                                                                  LoadBalancerClientFactory loadBalancerClientFactory
                                                                  ) {
        String name = environment.getProperty(LoadBalancerClientFactory.PROPERTY_NAME);
//        return new RandomLoadBalancer(
//                loadBalancerClientFactory.getLazyProvider(name,
//                        ServiceInstanceListSupplier.class),
//                name);

          return new MyCustomLoadBalancer(
                loadBalancerClientFactory.getLazyProvider(name,
                        ServiceInstanceListSupplier.class),
                name);

    }
}
